Independent electric steering pumps vary speed with steering state to cut soil compactor energy use while preserving emergency steering.
A Lugre-model feedforward term compensates steering friction hysteresis to cut reverse delay and improve pinion position tracking.
Bolt holes spaced away from tooth roots help this ground-engaging track master link reduce stress concentration, rocking, and fracture.
A rigid-flexible hydraulic pipe layout lets a swing axle move while preventing supply pipe interference near the axle case.
A pivoting rear steering assembly and independent drive wheels improve buggy stability, control, and precise dumping in confined spaces.